Home / 85,235.52-117,621.81-49,427.04

Finding the Fourth Proportional to 85,235.52, 117,621.81 and 49,427.04

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Solution

The fourth proportional to 85,235.52, 117,621.81 and 49,427.04 is: 68,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235.52 : 117,621.81 = 49,427.04 : x
  2. Step 2: Convert to fraction form
    85,235.52/117,621.81 = 49,427.04/x
  3. Step 3: Cross multiply
    85,235.52x = 117,621.81 × 49,427.04
  4. Step 4: Simplify right side
    85,235.52x = 5,813,697,907.74
  5. Step 5: Solve for x
    x = 5,813,697,907.74/85,235.52
  6. Step 6: Final answer
    x = 68,207.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.